3W 3.5mm Jack Mobile Phone Speaker

1. Battery capacity: 320mAh
2. Frequency range: 16 23 500Hz
3. Sensitivity: 93dB
4. Impedance: 4 ohms
5. Output power: 3W (max)
6. Diameter: 36mm
7. Applicable to a variety of mobile phones with 3.5mm jacks
8. Small size and portable